[AUTO]:Forerunner[AUTO](RC):[Counter Blast (1)] At the beginning of your attack step, you may pay the cost. If you do, return this unit to your hand.Burst-[AUTO] Generation Break 1:When this unit is placed on (RC), if your vanguard's [Power] is 10000 or greater, this unit gets [Power]+4000 until end of turn. If your vanguard's [Power] is 30000 or greater, choose one of your vanguards, and it gets [Power]+4000 until end of turn.